MCG-03-34-064
Observation
| Spectrum ID | 105652557_sp1 |
|---|---|
| Alt name | g1322245-164342 |
| z | 0.0169 |
| RA, Dec | 200.6019, -16.7285 |
| MJD | 60352.75 |
| SNR/Å B/R | 4.9/7.7 |
| Obs Airmass | 1.03 |
| SMSS ID | 105652557 |
| Closest SMSS | 7.51'', 2172048483 |
| SMSS Mean r6"ap | 13.9 ± 0.0 |
| 2MASS Kext | 9.7 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.8 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.067 |
| Power law αν | -1.38 ± 0.50 |
| log L5100,AGN | 42.60 ± 0.20 |
| log HβBr/[O III] | -1.32 ± 0.16 |
| log ML5100/M☉ | 6.61 ± 0.15 |
| log MHα/M☉ | 7.16 ± 0.04 |
| log MHβ/M☉ | 6.61 ± 0.15 |
| log M[O III]/M☉ | 7.38 ± 0.12 |
Spatial extraction & sky subtraction region
Spaxel scale: 1 arcsec² — Flux units: erg s⁻¹ cm⁻² Å⁻¹
Apertures: object (solid), background (dashed)
Spectrum decomposition
Emission line measurements
| Line | log L (erg s⁻¹) | FWHM (km s⁻¹) | σ (km s⁻¹) | EW (Å) |
|---|---|---|---|---|
| Hγ Narrow | 40.21 ± 0.33 | 856 ± 97 | 417 ± 48 | 19.17 ± 5.49 |
| Hγ Broad | 40.59 ± 0.17 | 1190 ± 65 | 427 ± 25 | 37.84 ± 5.97 |
| [O III] 4364 | 40.12 ± 0.21 | 486 ± 68 | 205 ± 28 | 15.53 ± 3.71 |
| He II Narrow | 40.11 ± 0.25 | 486 ± 68 | 205 ± 28 | 15.86 ± 3.46 |
| He II Broad | 40.49 ± 0.18 | 1597 ± 128 | 678 ± 54 | 38.86 ± 5.98 |
| Hβ Narrow | 40.81 ± 0.14 | 856 ± 97 | 417 ± 48 | 81.73 ± 5.22 |
| Hβ Broad | 40.83 ± 0.16 | 1419 ± 186 | 564 ± 99 | 77.09 ± 6.87 |
| [O III] 5007 | 42.15 ± 0.02 | 856 ± 97 | 417 ± 48 | 1826.38 ± 9.67 |
| He I Narrow | 39.93 ± 0.28 | 486 ± 68 | 205 ± 28 | 11.93 ± 2.91 |
| He I Broad | 40.13 ± 0.36 | 1694 ± 74 | 719 ± 30 | 18.82 ± 5.40 |
| [O I] 6300 | 40.66 ± 0.06 | 486 ± 68 | 205 ± 28 | 68.40 ± 3.60 |
| Hα Narrow | 41.15 ± 0.05 | 486 ± 68 | 205 ± 28 | 218.82 ± 6.51 |
| Hα Broad | 41.99 ± 0.02 | 2136 ± 85 | 779 ± 30 | 1437.71 ± 9.75 |
| [N II] 6585 | 41.46 ± 0.03 | 486 ± 68 | 205 ± 28 | 445.07 ± 6.30 |
| [S II] 6718 | 40.89 ± 0.03 | 486 ± 68 | 205 ± 28 | 121.06 ± 4.16 |
| [S II] 6732 | 40.95 ± 0.03 | 486 ± 68 | 205 ± 28 | 138.53 ± 4.23 |
All narrow line widths are tied to narrow [O III] 5007Å. [O III] 5007Å and narrow Hβ include a second narrow component not tied to other narrow lines.
Emission summary
| Hα Broad SNR | 18.26 |
|---|---|
| Hβ Broad SNR | 2.36 |
| Hγ Broad SNR | 1.93 |
| AGN frac | 0.17 |
| Host frac | 0.83 |
| log L5100,Host | 43.30 |
| Fe II/Hβ | 1.12 |
| Fe II/[O III] | 0.05 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 1 |
hb_width | 0 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.